420104499

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{661}}^1$

素因数の和:899

約数の個数: 32

約数和(自身を含む): 598914048

約数和(自身を除く): 178809549

約数列:

[1, 3, 23, 61, 69, 151, 183, 453, 661, 1403, 1983, 3473, 4209, 9211, 10419, 15203, 27633, 40321, 45609, 99811, 120963, 211853, 299433, 635559, 927383, 2295653, 2782149, 6088471, 6886959, 18265413, 140034833, 420104499]

約数ペア:

[(1, 420104499), (3, 140034833), (23, 18265413), (61, 6886959), (69, 6088471), (151, 2782149), (183, 2295653), (453, 927383), (661, 635559), (1403, 299433), (1983, 211853), (3473, 120963), (4209, 99811), (9211, 45609), (10419, 40321), (15203, 27633)]